Copy of Parallelograms (I)

Please use these applets to help you complete the Parallelogram Investigation questions given to you at the beginning of class.

Sides of a Parallelogram

What conclusions can you draw about the relations of the opposite sides of a parallelogram?

As you move the slider, what do you notice about the angles of the parallelogram?

What are some similar properties of the interior angles of a parallelogram and the sides of a parallelogram?

What are some properties of the diagonals of a parallelogram?

What do the diagonal lines of a parallelogram from? Justify your answer by using your answers from previous questions.

As you move the parallelogram around, what do you notice about the properties discussed in previous questions?